In the field of modern power driving, the adjustable speed control of AC asynchronous motor by inverter is a hot spot because of its notable energy saving function and continuous variable speed.
现代电力传动领域中，交流异步电机变频调速具有显著的节能效果，并且可以实现无级调速，已成为当前电力传动领域研究的热点之一。
A case study for an adjustable-speed AC motor drive is demonstrated by means of a prototype experiment to prove its performance and effectiveness.
本文中，我们采用了一个简单的控制方法及系统设计，通过对一交流调速电机驱动器的原型实验，验证了该方法的有效性。
The top part is arraying part, which is swaying equipment driven by ac servo motor whose speed is adjustable, to realize the uniformity while arraying and coiling.
上半部分为排绕部分，它是由速度可调的伺服电机驱动摆动装置，达到均匀排布缠绕的目的。
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